Choose your products based on ingredients, your hair properties and humidity/ dew points first and foremost, reviews and recommendations secondary. If you don't know out hair properties or dew points any recommendations are largely meaningless.
If you are getting build up go over the ingredients of all the products you are using and look for culprits - for example silicones, polyquats, butters, higher amounts of fatty alcohols - if you aren't sure post up the full ingredients lists, your hair properties and dew points here.
2a-2c, medium texture, porous/ colour treated. Three years CG, growing out mechanical and chemical damage = breakage and very high porosity. Past armpit length heading for waist.
Treatments: Komaza protein, Komaza Matani, coconut oil with sugar syrup. Hairveda Sitrinillah
Leave in: Fructis Sleek & Shine (old), Gliss ultimate volume
Styler: Umberto Giannini jelly, Boots curl creme, Rockin RInglets
Experimenting with: Mega-Tek, Curl Harmony reviver, Elvive Full Restore 5.